no passenger death rate?

來源: lovecorn 於 2010-02-22 15:17:25 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (270 bytes)

"passenger date would affect the rate", how is the effect?
they have the data, but they didn't show it becasue it affects the rate/results.
why are they hiding that information?

they can present the data, and leave the interpreatoin to readers.

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